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CVE-2012-0470

Impact:
Critical
Public Date:
2012-04-24
Bugzilla:
815020: CVE-2012-0470 Mozilla: Invalid frees causes heap corruption in gfxImageSurface (MFSA 2012-23)

The MITRE CVE dictionary describes this issue as:

Heap-based buffer overflow in the nsSVGFEDiffuseLightingElement::LightPixel function in Mozilla Firefox 4.x through 11.0, Firefox ESR 10.x before 10.0.4, Thunderbird 5.0 through 11.0, Thunderbird ESR 10.x before 10.0.4, and SeaMonkey before 2.9 allows remote attackers to cause a denial of service (invalid gfxImageSurface free operation) or possibly execute arbitrary code by leveraging the use of "different number systems."

Find out more about CVE-2012-0470 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 6.8
Base Metrics AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) (thunderbird) RHSA-2012:0516 2012-04-24
Red Hat Enterprise Linux 6 (firefox) RHSA-2012:0515 2012-04-24
Red Hat Enterprise Linux 5 (firefox) RHSA-2012:0515 2012-04-24
Red Hat Enterprise Linux 5 (thunderbird) RHSA-2012:0516 2012-04-24
Red Hat Enterprise Linux 6 (thunderbird) RHSA-2012:0516 2012-04-24

Affected Packages State

Platform Package State
Red Hat Enterprise Linux version 5 xulrunner 10.0.4-1.el5_8 Fixed
Red Hat Enterprise Linux version 6 xulrunner 10.0.4-1.el6_2 Fixed

Acknowledgements

Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Atte Kettunen from OUSPG as the original reporter.